TW201110104A - Liquid crystal display device, backlight control method and program - Google Patents

Liquid crystal display device, backlight control method and program Download PDF

Info

Publication number
TW201110104A
TW201110104A TW099115306A TW99115306A TW201110104A TW 201110104 A TW201110104 A TW 201110104A TW 099115306 A TW099115306 A TW 099115306A TW 99115306 A TW99115306 A TW 99115306A TW 201110104 A TW201110104 A TW 201110104A
Authority
TW
Taiwan
Prior art keywords
backlight
output
sensor
unit
liquid crystal
Prior art date
Application number
TW099115306A
Other languages
English (en)
Chinese (zh)
Inventor
Takeshi Yoshimoto
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of TW201110104A publication Critical patent/TW201110104A/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Position Input By Displaying (AREA)
TW099115306A 2009-06-03 2010-05-13 Liquid crystal display device, backlight control method and program TW201110104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009133618A JP2010281915A (ja) 2009-06-03 2009-06-03 液晶表示装置、およびバックライト制御方法、並びにプログラム

Publications (1)

Publication Number Publication Date
TW201110104A true TW201110104A (en) 2011-03-16

Family

ID=42731021

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099115306A TW201110104A (en) 2009-06-03 2010-05-13 Liquid crystal display device, backlight control method and program

Country Status (6)

Country Link
US (1) US8425068B2 (ja)
EP (1) EP2261728A3 (ja)
JP (1) JP2010281915A (ja)
KR (1) KR20100130553A (ja)
CN (1) CN101908301B (ja)
TW (1) TW201110104A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI451160B (zh) * 2012-03-05 2014-09-01 原相科技股份有限公司 自動偵測方法及使用該方法之可攜式電子裝置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8344313B2 (en) * 2005-10-07 2013-01-01 Integrated Digital Technologies, Inc. Optical input type touch system and feedback control method thereof
DE102010064056A1 (de) * 2010-12-23 2012-06-28 Siemens Aktiengesellschaft Bedieneinheit, sowie Gerät und Verfahren
TWI457548B (zh) * 2011-12-16 2014-10-21 Au Optronics Corp 光感測裝置及其調整方法
JP6399936B2 (ja) * 2015-01-14 2018-10-03 キヤノン株式会社 電子機器、電子機器の制御方法、プログラム、及び記憶媒体
US10720111B2 (en) * 2015-12-31 2020-07-21 Huawei Technologies Co., Ltd. Display screen backlight control method and apparatus, and terminal
JP2018155714A (ja) * 2017-03-21 2018-10-04 アズビル株式会社 フィールド機器および劣化診断方法
CN109002207A (zh) * 2018-07-04 2018-12-14 深圳市文鼎创数据科技有限公司 一种触摸芯片校准方法、电子设备和存储介质

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JPS63288515A (ja) * 1987-05-21 1988-11-25 Fuji Photo Film Co Ltd 光検出装置
JPH0373611A (ja) * 1989-08-14 1991-03-28 Sankyo Seiki Mfg Co Ltd 光電スイッチ装置
JP2551344B2 (ja) * 1993-07-10 1996-11-06 日本電気株式会社 媒体検出用フォトセンサ回路
JPH11298799A (ja) * 1998-04-15 1999-10-29 Honda Motor Co Ltd 光センサ信号処理装置
CA2463697C (en) * 2001-10-16 2007-12-04 Spectratech Inc. Liquid crystal display and calibration method therefor
JP2003337657A (ja) * 2002-03-13 2003-11-28 Toto Ltd 光学式タッチパネル装置
JP4789515B2 (ja) * 2004-06-10 2011-10-12 三星電子株式会社 表示装置及びその駆動方法
KR101054343B1 (ko) * 2004-06-10 2011-08-04 삼성전자주식회사 표시 장치 및 그 구동 방법
JP4676746B2 (ja) 2004-11-15 2011-04-27 株式会社リコー 駆動制御装置と画像形成装置
JP2006194612A (ja) * 2005-01-11 2006-07-27 Denso Corp 光センサ付き機器
US7717343B2 (en) * 2006-01-12 2010-05-18 Hand Held Products, Inc. High-efficiency illumination in data collection devices
US8059085B2 (en) * 2006-10-20 2011-11-15 Samsung Electronics Co., Ltd. Method of controlling luminance of backlight assembly, circuit for controlling luminance of backlight assembly and display device having the same
KR101176533B1 (ko) * 2007-01-25 2012-08-24 삼성전자주식회사 펄스폭 변조 디밍 제어 방법 및 펄스폭 변조 디밍 제어기능을 갖는 디스플레이 장치
JP2009048145A (ja) * 2007-08-23 2009-03-05 Seiko Epson Corp 液晶装置、イメージセンサ、及び電子機器
JP2009063803A (ja) 2007-09-06 2009-03-26 Sony Corp 表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI451160B (zh) * 2012-03-05 2014-09-01 原相科技股份有限公司 自動偵測方法及使用該方法之可攜式電子裝置

Also Published As

Publication number Publication date
US8425068B2 (en) 2013-04-23
EP2261728A2 (en) 2010-12-15
JP2010281915A (ja) 2010-12-16
US20100309650A1 (en) 2010-12-09
CN101908301B (zh) 2013-12-04
CN101908301A (zh) 2010-12-08
EP2261728A3 (en) 2011-07-13
KR20100130553A (ko) 2010-12-13

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